Exemple #1
0
        private void customPanel1_MouseUp(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (isDrawing && !isEditStatus)
                {
                    switch (selectedType.val)
                    {
                    case 0:     //直线
                    case 1:     //矩形
                    case 3:     //园
                        endPoint = new Point(e.X, e.Y);
                        break;

                    case 2:     //多边形
                        pointList.Add(new Point(e.X, e.Y));
                        break;

                    default:
                        break;
                    }
                }
                if (isEditStatus)
                {
                    if (selectedLine)
                    {
                        GraphicHelper.moveLine(ref startPoint, ref endPoint, ref mouseDownPoint, new Point(e.X, e.Y));
                    }

                    else if (selectedStartPoint)
                    {
                        startPoint = new Point(e.X, e.Y);
                    }
                    else if (selectedEndPoint)
                    {
                        endPoint = new Point(e.X, e.Y);
                    }
                    else if (selectedRect)
                    {
                        GraphicHelper.moveRect(ref startPoint, ref endPoint, ref mouseDownPoint, new Point(e.X, e.Y));
                    }
                    else if (selectedVertex)
                    {
                        GraphicHelper.modifyVertex(ref pointList, ref mouseDownPoint, new Point(e.X, e.Y));
                    }
                    else if (selectedPolygon)
                    {
                        GraphicHelper.movePolygon(ref pointList, ref mouseDownPoint, new Point(e.X, e.Y));
                    }
                }
            }
        }
Exemple #2
0
        private void customPanel1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (isDrawing && !isEditStatus)
                {
                    switch (selectedType.val)
                    {
                    case 0:     //直线
                    case 1:     //矩形
                    case 3:     //园
                        startPoint = new Point(e.X, e.Y);
                        break;

                    case 2:
                        pointList.Add(new Point(e.X, e.Y));
                        break;

                    default:
                        break;
                    }
                }
                if (isEditStatus)
                {
                    resetOperation();
                    mouseDownPoint = new Point(e.X, e.Y);
                    switch (selectedType.val)
                    {
                    case 0:     //直线

                        if (GraphicHelper.GetPointIsInLine(mouseDownPoint, startPoint, endPoint, 1))
                        {
                            selectedLine = true;
                            //MessageBox.Show("选中线了");
                        }
                        else if (GraphicHelper.IsThisPoint(mouseDownPoint, startPoint, 1))
                        {
                            selectedStartPoint = true;
                        }
                        else if (GraphicHelper.IsThisPoint(mouseDownPoint, endPoint, 1))
                        {
                            selectedEndPoint = true;
                        }
                        break;

                    case 1:     //矩形
                        pointList.Add(startPoint);
                        pointList.Add(new Point(endPoint.X, startPoint.Y));
                        pointList.Add(endPoint);
                        pointList.Add(new Point(startPoint.X, endPoint.Y));
                        if (GraphicHelper.IsPointInPolygon(mouseDownPoint, pointList.ToArray()))
                        {
                            selectedRect = true;
                            //MessageBox.Show("选中面了");
                            pointList.Clear();
                        }
                        break;

                    case 3:     //园
                        break;

                    case 2:      //多边形
                        if (GraphicHelper.IsPointInPolygon(mouseDownPoint, pointList.ToArray()))
                        {
                            selectedPolygon = true;
                            //MessageBox.Show("选中面了");
                        }
                        else if (GraphicHelper.IsGraphVertex(ref pointList, mouseDownPoint))
                        {
                            selectedVertex = true;
                            //MessageBox.Show("选中顶点了");
                        }
                        break;

                    default:
                        break;
                    }
                }
            }
        }